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更新日期：2017-04-28
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Agate is a mineral or stone formed naturally from the results of geological procedures whose elements consist of one or several chemical components that have a very high selling price. Agate made from the crystallization of mineral substances in a very long time, can reach millions of years old, which then this crystal turned into agate.
Agate stone is much in demand by the collectors who previously had to be polished in advance in order to have an expensive price.
